File: atomic-ptr.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (38 lines) | stat: -rw-r--r-- 1,703 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
; The goal of the test case is to ensure that the Backend doesn't crash on the stage
; of type inference. Result SPIR-V is not expected to be valid from the perspective
; of spirv-val in this case, because there is a difference of accepted return types
; between atomicrmw and OpAtomicExchange.

; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s
; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s

; CHECK-DAG: %[[#LongTy:]] = OpTypeInt 64 0
; CHECK-DAG: %[[#PtrLongTy:]] = OpTypePointer CrossWorkgroup %[[#LongTy]]
; CHECK-DAG: %[[#IntTy:]] = OpTypeInt 32 0
; CHECK-DAG: %[[#Scope:]] = OpConstantNull %[[#IntTy]]
; CHECK-DAG: %[[#MemSem:]] = OpConstant %[[#IntTy]] 8
; CHECK-DAG: %[[#PtrPtrLongTy:]] = OpTypePointer CrossWorkgroup %[[#PtrLongTy]]

; CHECK: OpFunction
; CHECK: %[[#Arg1:]] = OpFunctionParameter %[[#PtrPtrLongTy]]
; CHECK: %[[#Arg2:]] = OpFunctionParameter %[[#PtrLongTy]]
; CHECK: OpAtomicExchange %[[#PtrLongTy]] %[[#Arg1]] %[[#Scope]] %[[#MemSem]] %[[#Arg2]]
; CHECK: OpFunctionEnd

define dso_local spir_func void @test1(ptr addrspace(1) %arg1, ptr addrspace(1) byval(i64) %arg_ptr) {
entry:
  %r = atomicrmw xchg ptr addrspace(1) %arg1, ptr addrspace(1) %arg_ptr acq_rel
  ret void
}

; CHECK: OpFunction
; CHECK: %[[#Arg3:]] = OpFunctionParameter %[[#PtrLongTy]]
; CHECK: %[[#Arg4:]] = OpFunctionParameter %[[#LongTy]]
; CHECK: OpAtomicExchange %[[#LongTy]] %[[#Arg3]] %[[#Scope]] %[[#MemSem]] %[[#Arg4]]
; CHECK: OpFunctionEnd

define dso_local spir_func void @test2(ptr addrspace(1) %arg1, i64 %arg_ptr) {
entry:
  %r = atomicrmw xchg ptr addrspace(1) %arg1, i64 %arg_ptr acq_rel
  ret void
}